Answered

The two engineers who discovered the cosmic microwave background worked for:

A. NASA
B. The CIA
C. The Air Force
D. A phone company



Answer :

GinnyAnswer

Final answer:

Penzias and Wilson discovered the Cosmic Microwave Background while looking for astronomical sources using a microwave antenna.


Explanation:

Penzias and Wilson were looking to measure astronomical sources with a delicate microwave antenna they built at AT&T's Bell Laboratories. They discovered the Cosmic Microwave Background (CMB), a faint afterglow of radio waves that permeates the universe, coming from all directions at once.


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